[asterisk-biz] Big PBX

[Steve Totaro]

Alistair Cunningham wrote:
> Trixter aka Bret McDanel wrote:
>>
>>
>> On 2/8/07, *Alistair Cunningham* <acunningham at integrics.com 
>> <mailto:acunningham at integrics.com>> wrote:
>>
>>     Ignacio,
>>
>>     We have some Enswitch (which uses Asterisk and SER for telephony)
>>     customers with up to 60000 users. To achieve this requires a 
>> substantial
>>     cluster. A cluster of this size requires substantial planning, but
>>     smaller clusters for hundreds or thousands of users are described 
>> at:
>>
>>
>> you say 60,000 users, how many concurrent channels?  Is that the 200 
>> that you mentioned or is that 200 per box?
>
> Trixter,
>
> I can't give you concurrent call figures for these systems as we 
> haven't got permission from our customers to share this information, 
> though you can safely assume many more than 200 total concurrent calls.
>
> The 200 concurrent calls in my previous email is per Asterisk machine 
> (with all but the smallest Enswitch systems having more than one 
> Asterisk machine), and is general advice to new customers. The exact 
> figure will of course depend on hardware, codecs, average call length, 
> etc.
>
> Alistair Cunningham
> +1 888 468 3111
> +44 20 799 39 799
> sip:acunningham at integrics.com
> http://integrics.com/
>
How does average call length have anything to do with number of 
concurrent calls?